<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>div页面布局</title>
    <style>
        #top{
            height:64px;
            background: black;
        }
        #content{
            height:800px;
            background: antiquewhite;
        }
        #bottom{
            height:128px;
            background: black;
        }
    </style>
</head>
<body>
    <div id="top">top</div>
    <div id="content">content</div>
    <div id="bottom">bottom</div>
</body>
</html>